Žilinskas, Antanas, and Julius Žilinskas. “On Multidimensional Scaling With Euclidean and City Block Metrics”. Technological and Economic Development of Economy 12, no. 1 (March 31, 2006): 69-75. Accessed December 26, 2024. https://btp.vilniustech.lt/index.php/TEDE/article/view/7972.